If you have both earsHearing loss, Then it is recommended that you choose to wear both earsHearing aid, Because this not only improves your hearing, but also allows you to feel a better sound environment around you.
1. Sound source location.
The human ear has a strong sound source localization ability.However, its prerequisite is that both ears must have the same hearing threshold.During the transmission of sound in the air, there will be changes in energy and speed. If the hearing loss and the threshold are asymmetric, most of the sound from which direction will be heard by the side with the better hearing threshold, so that the source of the sound cannot be determined. Direction.
Binaural hearing aids can be selected to significantly improve the sound source localization ability. The brain can use the phase difference between the sound waves to reach the two ears to accurately determine the direction of the sound source.
2. The integration of loudness.
The loudness accepted by binaural hearing is higher than that of monaural hearing.Wearing hearing aids in both ears can increase the effect of hearing aids by 3 to 6dB.
3. Binaural noise suppression.
The auditory central nervous system can use binaural hearing to amplify language signals and suppress noise signals, which helps to improve language resolution in a noisy environment.
4. Eliminate head shadow effect.
When wearing a hearing aid in one ear, when the sound source comes from the other side, the head will hinder and attenuate the sound transmission, especially the high frequency attenuation is more, and this part of the high frequency sound is very critical to the speech intelligibility of sensorineural hearing loss.When Zhongxiao listens to the other party’s ears, it becomes difficult and he needs to turn his head to the side.
Sometimes it will embarrass loyalty and filial piety.
5. Avoid hearing deprivation.
Both ears have residual hearing, if you only choose one ear to carryHearing aid, Then the decline of speech resolution in the unaided ears is significantly greater than that of the hearing aids.
The sound quality of binaural listening is clearer, fuller, and more spacious.It is recommended to use both ears when matching hearing aids.
Optional hearing aids for both ears can reduce the risk of further hearing loss.It meets the requirements for binaural matching, but only one is selectedHearing aidFrom the audiology point of view, it is called “fee ear”, that is, the hearing of one ear is wasted.If this ear with residual hearing is left unused for a long time, the lack of sound stimulation will lead to the loss of the brain’s auditory nerve function, and then the loss of sound processing ability, so that the auditory function is completely damaged.Therefore, the sooner you wear hearing aids in both ears, the less likely this danger will occur.
